Living in Henderson, LA: what to set up and who to call
Henderson Nina Water System Inc reported 2 health-based violations to EPA in the last five years: disinfection byproducts (TTHM) ×2. 80% of systems its size reported none. Power in Henderson comes from Southwest Louisiana E M C, a cooperative utility rather than a private company.
I’m new in town
What to set up in Henderson, and who provides it. Tap an answer for the details and where they come from.
Power, water and internet
Who to call to start service at a new address in Henderson.
Power comes from Southwest Louisiana E M C
Southwest Louisiana E M C (Southwest Louisiana E M C), a cooperative utility, serves all of Henderson. Its homes paid an average of 11.6¢ per kWh in 2025, about $162 a month (its average across Louisiana).
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Henderson Nina Water System Inc
Henderson Nina Water System Inc supplies almost all of Henderson. It draws ground water and serves 5,535 people in all.
2 health-based violations reported to EPA in the five years to October 2026: disinfection byproducts (TTHM) ×2, the latest beginning Apr 2026. 80% of the 5,012 systems serving 3,301–10,000 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2023–Dec 2025, was 4.6 ppb, below the 15 ppb action level that applied. That’s higher than 90% of similar systems’ latest results.
The system’s full record: EPA ECHO report
EPA SDWIS via Envirofacts (violations pulled Oct 9, 2026) and ECHO (lead samples, 2026Q3); service area: EPA Community Water System Service Area Boundaries v3.0 (EPA’s estimate). Violations are counted by the start of their compliance period. LA1099006.
5 home internet providers serve Henderson
92% of 808 addresses can get 100/20 Mbps; 69% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Cox Communications | Cable | 71% | 2,000/100 |
| Brightspeed | Fiber | 57% | 2,000/2,000 |
| Verizon | Fixed wireless | 67% | 300/20 |
| T-Mobile | Fixed wireless | 61% | 100/20 |
| AT&T | Fixed wireless | 52% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Henderson’s trash rules yet
Pickup rules, the dump and recycling in Henderson.
Where your child goes to school
Public school districts and the school path by grade.
Henderson is in St. Martin Parish School District.
BSchool gradeSee Schools →U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.
Town hall and registering to vote
Who to call, and how to register.
Election office: FVAP local election office directory, updated Oct 2024; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Aug 3, 2026.
Henderson is in ZIP code 70517
ZIP codes where Henderson residents live, with the share of the town in each.
| ZIP | Post office name | Share of Henderson | ZIP’s residents in Henderson |
|---|---|---|---|
| 70517 | Breaux Bridge, LA | 100% | 6% |
Census 2020 ZIP Code Tabulation Areas, by census block; post office names: GeoNames (CC BY 4.0). ZIPs created since 2020 are missing.
Getting around, the ER and the library
One line each; the subject pages have the rest.
ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.
Questions about living in Henderson
Who supplies Henderson’s drinking water, and has it had violations?
Henderson Nina Water System Inc (EPA ID LA1099006). It reported 2 health-based violations to EPA in the five years to October 2026: disinfection byproducts (TTHM) ×2. 80% of systems its size had none. Its latest lead 90th percentile was 4.6 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Henderson?
Southwest Louisiana E M C (Southwest Louisiana E M C), a cooperative utility. Its homes paid about 11.6¢ per kWh in 2025 (EIA).
What internet providers serve Henderson?
Cox Communications, Brightspeed, Verizon, T-Mobile, AT&T (FCC, as of December 2025).
What ZIP codes are in Henderson?
70517. Census 2020 ZIP Code Tabulation Areas.
What school district is Henderson in?
St. Martin Parish School District.
How do I register to vote in Henderson?
In Louisiana you can register online until 20 days before Election Day, in person until 30 days before Election Day, or by mail (postmarked 30 days before). Elections here are run by the St Martin Parish Registrar of Voters. Check your registration at voterportal.sos.la.gov.
Sources & dates
Every answer above names its source. Here they are with their dates.
- Water: EPA SDWIS (Envirofacts, pulled Oct 9, 2026), ECHO SDWA 2026Q3, EPA CWS Service Area Boundaries v3.0.
- Power: HIFLD Electric Retail Service Territories (map Aug 2023); EIA-861 final 2025.
- Trash: OpenStreetMap, Geofabrik extract of Oct 9, 2026. © OpenStreetMap contributors (ODbL).
- ZIP codes: Census 2020 ZCTA relationship files; GeoNames postal codes (CC BY 4.0).
- Schools: NCES Common Core of Data, 2024–25.
- Registration: vote.gov, updated Aug 3, 2026 (read Oct 10, 2026). Official sites and area codes: Wikidata.
- Election office: FVAP local election office directory (fetched Oct 10, 2026; each record dated), EAC EAVS 2024 jurisdictions; registration and lookup links from vote.gov’s state data, checked Oct 10, 2026.
- Internet: FCC National Broadband Map, as of December 2025.